package controller;

import Util.Laydata;
import com.alibaba.fastjson2.JSON;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import pojo.User;
import service.UserService;

import java.util.List;

@Controller
@RequestMapping("/asyncuser")
public class AsyncUserController {
    @Autowired
    private UserService userService;

    @RequestMapping("/tolist")
    public String tolist() {
        return "asyncuser/list";
    }

    //   @RequestMapping("/login")
//   public String login(User user) {
//        boolean flag = userService.login(user);
//        if (flag) {
//            //  /WEB-INF/user/list.jsp
//            return "index";
//        } else {
//            return "login";
//        }
//   }
    //全查询
//    @RequestMapping("/list/{currentPage}")
//    public String list(User user,@PathVariable("currentPage") int currentPage) {
//        //异步查询
//        //补全代码
//        return "list";
//    }
    @RequestMapping("/list")
    @ResponseBody
    public String list(User user, @RequestParam(value = "page", defaultValue = "1") Integer currentPage,
                       @RequestParam(value = "limit", defaultValue = "10") Integer pageSize, Model model) {
        //查询数据
        int totalCount = userService.count(user);
        //计算偏移量
        int offset = (currentPage - 1) * pageSize;
        List<User> users = userService.findAll(user, offset, pageSize);
        Laydata laydata = new Laydata(0, "查询成功", totalCount, users);
        return JSON.toJSONString(laydata);
    }

    @RequestMapping("/toadd")
    public String toAdd() {
        return "asyncuser/add";
    }

    @RequestMapping("/addSave")//注解里都需要加
    @ResponseBody//声明异步请求
    public String addSave(User user) {
        int result = userService.addUser(user);
        if (result > 0) {
            return JSON.toJSONString(new Laydata(0, "添加成功"));
        } else {
            return JSON.toJSONString(new Laydata(500, "添加失败"));
        }
    }
    @RequestMapping("/delete/{id}")
    @ResponseBody
    public String deleteById(@PathVariable("id") int id){
        int result=userService.deleteUserById(id);
        if(result>0){
            return JSON.toJSONString(new Laydata(0,"删除成功"));
        }else{
            return JSON.toJSONString(new Laydata(500,"删除失败"));
        }
    }
    @RequestMapping("/toupdate/{id}")//注解里都需要加/
    public String toUpdate(@PathVariable("id") int id, Model model) {
        User user = userService.findUserById(id);
        model.addAttribute("user", user);
        return "asyncuser/update";
    }

    @RequestMapping("/updateSave")
    @ResponseBody
    public String updateSave(User user) {
        int result = userService.updateUser(user);
        if (result > 0) {
            return JSON.toJSONString(new Laydata(0, "修改成功"));
        } else {
            return JSON.toJSONString(new Laydata(500, "修改失败"));
        }
    }
}
